21550672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9419}}^1$

素因数の和:9451

約数の個数: 40

約数和(自身を含む): 49059360

約数和(自身を除く): 27508688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9419, 18838, 37676, 75352, 103609, 122447, 150704, 207218, 244894, 414436, 489788, 828872, 979576, 1346917, 1657744, 1959152, 2693834, 5387668, 10775336, 21550672]

約数ペア:

[(1, 21550672), (2, 10775336), (4, 5387668), (8, 2693834), (11, 1959152), (13, 1657744), (16, 1346917), (22, 979576), (26, 828872), (44, 489788), (52, 414436), (88, 244894), (104, 207218), (143, 150704), (176, 122447), (208, 103609), (286, 75352), (572, 37676), (1144, 18838), (2288, 9419)]